Cold and negative constitution refers to a constitution type with the characteristics of inhibition, coldness, and tranquility. The constitution is characterized by a moderate body shape or fatness, but being weak and prone to fatigue; the complexion is white and lackluster. Hua; small food intake, average digestion and absorption function; usually afraid of cold and preferring heat, or low body temperature; pale lips and tongue, profuse and slow pulse, introverted personality, preferring to be quiet and less active, or timid and easily frightened; weak energy , slow movements, slow reactions, and weak sexual desire. The treatment covers all aspects of food, clothing, housing and transportation, mainly including taking care of the patient at the right time, regulating the spirit, maintaining a regular daily life, working and resting appropriately, maintaining a healthy diet and exercising, etc. For those with cold body, the food therapy should be warm and avoid cold, and eat more warming and tonic products.